• HOME
  • NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • INSTAGRAM
    • TWITTER
  • CONTACT US
Tuesday, June 6, 2023
BIOENGINEER.ORG
No Result
View All Result
  • Login
  • HOME
  • NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
        • Lecturer
        • PhD Studentship
        • Postdoc
        • Research Assistant
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • INSTAGRAM
    • TWITTER
  • CONTACT US
  • HOME
  • NEWS
  • EXPLORE
    • CAREER
      • Companies
      • Jobs
        • Lecturer
        • PhD Studentship
        • Postdoc
        • Research Assistant
    • EVENTS
    • iGEM
      • News
      • Team
    • PHOTOS
    • VIDEO
    • WIKI
  • BLOG
  • COMMUNITY
    • FACEBOOK
    • INSTAGRAM
    • TWITTER
  • CONTACT US
No Result
View All Result
Bioengineer.org
No Result
View All Result
Home NEWS Science News

Dynamic gating process observed at Sub-2 nm speed in nanochannels

Bioengineer by Bioengineer
December 15, 2021
in Science News
Reading Time: 2 mins read
0
Share on FacebookShare on TwitterShare on LinkedinShare on RedditShare on Telegram

In a recent study published in Matter, Chinese researchers observed the dynamic gating process at sub-2 nm speed in nanochannels.

Observing the successive polymer chain variation at nanoscale (ca. 10 nm) by the atomic force microscope topography in situ.

Credit: TIPC

In a recent study published in Matter, Chinese researchers observed the dynamic gating process at sub-2 nm speed in nanochannels.

Dr. ZHOU Yahong at Prof. JIANG Lei’s team of the Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences, together with researchers from the South China University of Technology and the Peking University School and Hospital of Stomatology, has developed a novel nanoporous gating system that can precisely control and observe dynamic gating processes.

In the natural world, cells usually modulate mass transport by fine-tuning the location of nanochannels so they are positioned precisely at the membrane. Inspired by the cell performance, numerous artificial nanochannels with gating properties have been constructed. 

Before this study, researchers focused on the terminal “open” and “closed” states in response to changes of environments. Prof. JIANG Lei’s group has completed a series of fundamental studies about smart gating nanoporous membrane.

Now the researchers are curious about the dynamic gating process. However, achieving the exquisitely tuning radius of the nanochannels still remains a challenge, especially at a quantitatively nanoscale speed.

In this study, they integrated the conducting polymer polypyrrole into the nanochannels. They observed that the degree of contraction or swelling of the polymer film is associated with the amount of charging electrons and holes.

Therefore, the controlled dynamic gating process through the conducting polymer nanoporous membranes was realized, the radius of which could modulate 1.5 nm each time with minimum value.

Furthermore, the researchers directly observed successive polymer chain variations at nanoscale (ca. 10 nm) by atomic force microscopy topography in situ. This was highly praised by the peer reviewers as well.

“Small operation voltage (-0.5 to 0.8 volts) combined with 83% thickness change makes this membrane promising for smart nanorobot and bioactuator applications. And controlling the radius change at sub-2 nm gives some inspiration towards the advanced separation membrane on nanoscale in the future,” said Dr. ZHOU.



Journal

Matter

DOI

10.1016/j.matt.2021.11.024

Method of Research

Experimental study

Subject of Research

Not applicable

Article Title

Dynamically Modulated Gating Process of Nanoporous Membrane at Sub-2 nm Speed

Article Publication Date

15-Dec-2021

Share12Tweet7Share2ShareShareShare1

Related Posts

Hydrogel mask

Programmable 3D printed wound dressing could improve treatment for burn, cancer patients

June 6, 2023
Mothers and babies in Tanzania

Team develops smartphone app to enhance midwifery care in Tanzania

June 6, 2023

Webb telescope detects universe’s most distant organic molecules

June 6, 2023

Renowned sociologist and Black Voices Quintet set to dazzle at HDR UK’s Black Internship Programme Opening Ceremony 2023

June 5, 2023

POPULAR NEWS

  • plants

    Plants remove cancer causing toxins from air

    41 shares
    Share 16 Tweet 10
  • Element creation in the lab deepens understanding of surface explosions on neutron stars

    36 shares
    Share 14 Tweet 9
  • Deep sea surveys detect over five thousand new species in future mining hotspot

    35 shares
    Share 14 Tweet 9
  • How life and geology worked together to forge Earth’s nutrient rich crust

    35 shares
    Share 14 Tweet 9

About

We bring you the latest biotechnology news from best research centers and universities around the world. Check our website.

Follow us

Recent News

Programmable 3D printed wound dressing could improve treatment for burn, cancer patients

Team develops smartphone app to enhance midwifery care in Tanzania

Webb telescope detects universe’s most distant organic molecules

Subscribe to Blog via Email

Enter your email address to subscribe to this blog and receive notifications of new posts by email.

Join 50 other subscribers
  • Contact Us

Bioengineer.org © Copyright 2023 All Rights Reserved.

No Result
View All Result
  • Homepages
    • Home Page 1
    • Home Page 2
  • News
  • National
  • Business
  • Health
  • Lifestyle
  • Science

Bioengineer.org © Copyright 2023 All Rights Reserved.

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In